Pyrex Trash Do Not Mix with Glass RecyclablesPyrex and any heat-resistant bakeware can not be recycled with bottles and jars, because they melt at a higher temperature. Although they are made of glass, do not place them in the recycling container. Consider DonationIf the item is still in good condition, please donate. Visit Athens’ Material Reuse page for ideas. Ways to Reuse Good Condition? Donate It Pyrex can last a long time. If you have Pyrex that’s still in good condition (i.e., no cracks or chips in the glass), don’t throw it away. Give it away or donate it to a thrift shop.